Why the US-China Frontier Model Gap Isn't Widening
teortaxesTex · x · 2026-07-18
The author discusses a trending question: despite the exponential growth of US compute, why does the gap between US and Chinese frontier models seem stuck at just a few months? An accompanying image highlights two key points: - In 2024, using RL to train reasoning chains became the new scaling focus, showing significant results especially in quantifiable tasks like math and competitive programming. - This second phase of RL training is still in its early days. Increasing investment from **$0.1M** to **$1M** can yield massive gains, prompting various players to rapidly expand this step. The author further asks: If the US continues to balloon its compute power while the model gap remains fixed, what does that imply? Is China catching up faster, or are US model gains rising in tandem? Overall, it's an analysis of frontier model catch-up speeds and compute constraints.
Related event: Has China Caught Up to US Frontier AI? The Debate Reignites(7 posts)→
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